Products Description
Woodward 8237-1006 ProTech-GII Overspeed Protection Controller in stock
Woodward 8237-1006 is a ProTech-GII series overspeed protection controller designed for critical rotating machinery. It uses triple modular redundant TMR 2oo3 voting logic to prevent single-point failures and false trips, providing independent safety protection separate from the turbine governor system.

This controller features a front panel display and keypad for local configuration and status viewing. It supports real-time speed and acceleration monitoring, built-in self-diagnosis and event logging, certified SIL3 for high-risk industrial rotating equipment safety applications.
Main Specifications
| No. | Item | Parameter |
|---|---|---|
| 1 | Brand | Woodward |
| 2 | Model | 8237-1006 |
| 3 | Module Type | ProTech-GII Overspeed Protection Controller |
| 4 | Architecture | TMR Triple Modular Redundant, 2oo3 voting |
| 5 | Safety Level | SIL3 certified |
| 6 | Panel Protection | IP56 |
| 7 | Operating Temperature | -40℃ ~ +85℃ |
Core Functions
| No. | Function Description |
|---|---|
| 1 | Independent overspeed trip protection for steam, gas and hydro turbines |
| 2 | 2-out-of-3 redundant channel voting to eliminate single point failure risk |
| 3 | Real-time monitoring of rotational speed and acceleration value |
| 4 | Comprehensive self-diagnosis, fault detection and alarm reporting |
| 5 | Event history recording for equipment audit and fault troubleshooting |
Application Scenarios
| No. | Application |
|---|---|
| 1 | Power plant steam turbine, gas turbine overspeed safety protection |
| 2 | Oil & gas industry compressor safety interlock system |
| 3 | Hydroelectric turbine overspeed trip protection control |
| 4 | Offshore platform critical rotating machinery safety system |
| 5 | Industrial site safety instrumented system spare replacement project |
FAQ
| No. | Question & Answer |
|---|---|
| 1 | Q:What is Woodward 8237-1006? A:It is ProTech-GII series overspeed protection controller, adopting TMR 2oo3 fault-tolerant architecture with SIL3 certification, used for independent overspeed protection of rotating machinery. |
| 2 | Q:What is the advantage of TMR architecture? A:When one channel fails, the controller can still operate normally through 2oo3 voting to avoid unexpected shutdown and safety hazards. |
| 3 | Q:Is it separate from turbine governor? A:Yes, it works as an independent safety protection device, not relying on the governor control system to complete overspeed trip. |